在这种情况下，规范必须明确所调用的基础业务流程(短时间运行或长时间运行)和服务，以及结果的处理方式。
In such a case, a specification must make it clear where underlying business processes (short - or long-running) and services are invoked, and how results are handled.
因此，应该保持与业务流程层明确的区别。
Therefore, it should remain distinctly separate from the business processes layer.
许多刊物已明确指出，保证业务流程管理（BPM）成功的主要前提之一是业务和IT的紧密协作。
Many publications have established that one of the main prerequisites for success of the Business Process Management (BPM) undertakings is close cooperation between business and IT.
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